{"id":16913,"date":"2022-03-10T07:23:56","date_gmt":"2022-03-10T06:23:56","guid":{"rendered":"https:\/\/francescoeconomy.org\/the-water-hyacinth-of-benin\/"},"modified":"2022-03-10T07:42:04","modified_gmt":"2022-03-10T06:42:04","slug":"the-water-hyacinth-of-benin","status":"publish","type":"post","link":"https:\/\/francescoeconomy.org\/it\/the-water-hyacinth-of-benin\/","title":{"rendered":"Il giacinto d’acqua del Benin: veleno trasformato in oro verde"},"content":{"rendered":"
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La ong Jevev.\u00a0Il giacinto d’acqua del Benin: veleno trasformato in oro verde<\/h1>\n

di Maria Gaglione, Avvenire<\/a><\/p>\n

The Economy of Francesco in Africa: la pianta infestante dalla quale si produce compost \u00e8 diventata una risorsa per l\u2019agricoltura locale<\/strong><\/h3>\n
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Straordinaria bellezza tropicale, il giacinto d\u2019acqua \u00e8 una pianta acquatica dai fiori violacei, steli e foglie spesse. Originaria dell\u2019America meridionale, \u00e8 stata ampiamente introdotta in tutto il mondo. In molte aree \u00e8 diventata una specie invasiva, in alcuni casi una vera e propria piaga. Nel suo ambiente naturale, \u00e8 purificatrice dell\u2019acqua. Ma in assenza di nemici naturali,\u00a0Eichhornia crassipes<\/i>\u00a0si diffonde rapidamente, ricoprendo le superfici di laghi e fiumi, fino a costituire una barriera fisica che ostacola la navigazione, impedisce alla luce del sole di raggiungere piante acquatiche native, rallenta il flusso dell\u2019acqua e riduce il contenuto di ossigeno tanto da causare la morte di pesci e tartarughe. Dunque una grave minaccia per gli ecosistemi e la biodiversit\u00e0.<\/p>\n<\/div><\/div><\/div>

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Henri Totin, imprenditore esperto di green economy, direttore della Ong JEVEV ( Jeunesse et Emplois Verts pour une Economie Verte) abita in Benin. Come la sceneggiatura di un film, basato su una storia vera, Henri ci racconta un fatto che ha per protagonisti una pianta e una comunit\u00e0. Titolo: il compost ‘magico’. Ma di magico non c\u2019\u00e8 nulla. C\u2019\u00e8 molto lavoro, studio, ricerca, e numerosi premi internazionali ricevuti. Analogamente ad altre fibre naturali, anche i giacinti d\u2019acqua vengono usati da decenni per realizzare piccoli oggetti come stuoie o cesti. Ma la raccolta sporadica non \u00e8 una soluzione: la pianta tende a crescere pi\u00f9 forte.<\/p>\n

\u00abUn giorno \u2013 racconta Henri \u2013 il mio fratello pi\u00f9 piccolo ha avuto un incidente: trasportato lungo il fiume, il rallentamento causato dalla pianta ha ritardato il suo arrivo in ospedale. Questa tragedia mi ha chiamato all\u2019azione\u00bb. Henri ci racconta molto riguardo il possibile uso del giacinto, frutto di anni di studio. Il compost che si ottiene dal giacinto d\u2019acqua ha infatti caratteristiche importanti. L\u2019estratto radicale pu\u00f2 essere utilizzato come fertilizzante. Altri usi sono la produzione di biogas e di carta (soprattutto quella ottenuta dai fusti). Infine, dalle foglie e dagli steli, si ottiene un carbone nero che pu\u00f2 essere impiegato per produrre ad esempio inchiostri e vernici.<\/p>\n

Continua la lettura su Avvenire<\/a>.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

The Economy of Francesco in Africa: la pianta infestante dalla quale si produce compost \u00e8 diventata una risorsa per l\u2019agricoltura locale.<\/p>\n","protected":false},"author":3,"featured_media":16910,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[248,16,212,232,240],"tags":[],"class_list":["post-16913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eof-people-2-it","category-notizie","category-territories-it","category-whats-on-2","category-whats-on-it"],"yoast_head":"\nIl giacinto d'acqua del Benin: veleno trasformato in oro verde | The Economy of Francesco<\/title>\n<meta name=\"description\" content=\"The Economy of Francesco in Africa: la pianta infestante dalla quale si produce compost \u00e8 diventata una risorsa per l\u2019agricoltura locale\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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